<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title th:text="${product.productName}"></title>
</head>
<body>
aaaaaa
<p>产品名：<span th:text="${product.productName}"></span></p>
<ul>
    <li th:each="category : ${categoryList}">
        <span th:text="${category.categoryName}"></span>
    </li>
</ul>
</body>
</html>
